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Unable to assign default constraint in an existing column in SQL Server - Stack Overflow
How to add a column with a default value to an existing table in SQL Server? - Stack Overflow
General error: 1 Cannot add a NOT NULL column with default value NULL (SQL: alter table "cp_transactions" add column "amount1" varchar not null) · Issue #55 · hexters/CoinPayment · GitHub
ALTER TABLE
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ALTER TABLE
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ALTER TABLE
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